New unified H-infinity dynamic observer design for linear systems with unknown inputs

Reference : New unified H-infinity dynamic observer design for linear systems with unknown inputs


	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	To cite this reference:	http://hdl.handle.net/10993/24674

Title :	New unified H-infinity dynamic observer design for linear systems with unknown inputs
Language :	English
Author, co-author :	Gao, Nan []
	Darouach, Mohamed []
	Voos, Holger [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit > ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)]
	Alma, Marouane []
Publication date :	Mar-2016
Journal title :	Automatica
Publisher :	Pergamon Press - An Imprint of Elsevier Science
Volume :	65
Pages :	43-52
Peer reviewed :	Yes (verified by ORBi^lu)
Audience :	International
ISSN :	0005-1098
City :	Oxford
Country :	United Kingdom
Keywords :	[en] Control engineering ; observer design ; unknown input observer
Abstract :	[en] In this paper, a unified dynamic observer (UO) is proposed for a class of linear systems in the presence of unknown inputs and disturbances. It generalizes the existing results on the proportional observer (PO), the proportional integral observer (PIO) and the dynamic observer (DO). The design approach of the UO is derived from the solution of the linear matrix inequality (LMI), based on the new dynamic observer formulation and the solution of the algebraic constraints obtained from the unbiased estimation error. A numerical example is provided to show the applicability and the performance of our results.
Permalink :	http://hdl.handle.net/10993/24674

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